| Tail Number / N-Number | N137US |
| Manufacturer | BELL |
| Model | UH-1E |
| Year Built | 1965 |
| Manufacturer's Serial Number | 151874 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | T-53 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 1,150 hp (858 kW) |
| Type of Registrant | LLC |
| Owner Name | THOMAS AVIATION LLC |
| Street | PO BOX 349 |
| City | ORLEANS |
| State | CA |
| Zip Code | 95556-0349 |
| Region | Western-Pacific |
| County | Humboldt County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1997-04-11 |
| Certificate Issue Date | 2010-01-12 |
| Last Action Date | 2022-06-23 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50113405 |
| Mode S Code Hex | A09705 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N137US.
| Tail Number / N-Number | N137US |
| Manufacturer | LOCKHEED |
| Model | 188C |
| Year Built | 1961 |
| Manufacturer's Serial Number | 188C1142 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 102 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 336 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | NORTHWEST AIRLINES INC |
| Street | 1885 UNIVERSITY INC |
| City | ST PAUL |
| State | MN |
| Zip Code | 55101 |
| Region | Great Lakes |
| County | Humboldt County |
| Certificate Issue Date | 1962-06-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1962-11-14 |